Heating cooker
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 9, 2018
Grant Date -
Sep 8, 2016
app pub date -
Nov 6, 2014
filing date -
Nov 6, 2013
priority date (Note) -
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Abstract
A heating cooker includes: a top plate on which a cooking container to be heated is placed; an outer case as a main body having an upper surface on which the top plate is placed; a heater heating the cooking container; and a light emitting device disposed in the outer case, for displaying the heating state. The top plate includes: a glass substrate having a transparent light-transmitting low-expansion crystallized glass made mainly of Li2O—AL2O3—SiO2 and having β-quartz solid solution, having a crystal size smaller than the wavelength of visible light; a design layer having a black-based color disposed on an undersurface of the glass substrate; a diffusion region disposed partially on an undersurface of the design layer, for diffusedly emitting light from the light emitting device; and a light-blocking layer disposed on the undersurface of the design layer other than the diffusion region, for blocking light from below.
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